Answer:
43
Explanation:
Given the expression
f(x) = 5(2)x + 3
To get f(4), substitute x = 4 into the equation;
f(4) = 5(2)(4) + 3
f(4) = 10(4) + 3
f(4) = 40+3
f(4) = 43
Hence the value of f(4) is 43
